A clock that uses discarded AA batteries and squeezes every bit of juice left in them. As you can see that instead of numbers there are 12 slots in the clock that collectively powers this device.
The fun part is that this clock is designed in such a way that every level of juice left in a battery represents different colors. The only downside is that you will have to wait a little longer to see this clock in the market. Bor-Ru-Huang also won a well deserved Liteon Award for this clock:
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